Finding the Fourth Proportional to 7,604,221.97, 11,406,857.84 and 2,212,917.05
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Solution
The fourth proportional to 7,604,221.97, 11,406,857.84 and 2,212,917.05 is: 3,319,528.32
Step by Step Solution
- Step 1: Write the proportion equation
7,604,221.97 : 11,406,857.84 = 2,212,917.05 : x - Step 2: Convert to fraction form
7,604,221.97/11,406,857.84 = 2,212,917.05/x - Step 3: Cross multiply
7,604,221.97x = 11,406,857.84 × 2,212,917.05 - Step 4: Simplify right side
7,604,221.97x = 25,242,430,189,997.59 - Step 5: Solve for x
x = 25,242,430,189,997.59/7,604,221.97 - Step 6: Final answer
x = 3,319,528.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.